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  • 19-11-2019
  • Mathematics
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−4x+14y=−16 x−72y=4

Respuesta :

PollyP52 PollyP52
  • 19-11-2019

Answer:

x = 4, y = 0.

Step-by-step explanation:

−4x + 14y = −16

x − 72y = 4              Multiply this by 4:

4x - 288y = 16          Adding this to the first equation:

-2746 = 0

so y = 0

and from equation 1

- 4x + 14(0) = -16

x = -16/-4

x = 4.

y = -8/7.

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